In photosynthesis, light energy drives the transfer of electrons from to .

In photosynthesis LIGHT ENERGY drives electrons from a low energy state in water to a high energy state.

Explanation: Photosynthesis is the process used by plants, algae and cyanobacteria to utilize energy from sunlight and turn into chemical energy.

There are two types of this process: oxygenic photosynthesis and anoxygenic  photosynthesis. The general principles of both of them is very similar, however oxygenic is the most regular to see in plants, algae and cyanobacteria.

The oxygenic photosynthesis begins when the light energy transfers electrons from water  to carbon dioxide, so that carbohydrates can be produced.  During this transfer, CO₂ is reduced  or receive electrons and the water becomes oxidized, meaning, it loses electrons. The oxigen is produced along with carbohydrates.

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the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.